CN102121390B - Telescopic tunneling immediate support device - Google Patents
Telescopic tunneling immediate support device Download PDFInfo
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- CN102121390B CN102121390B CN 201110057665 CN201110057665A CN102121390B CN 102121390 B CN102121390 B CN 102121390B CN 201110057665 CN201110057665 CN 201110057665 CN 201110057665 A CN201110057665 A CN 201110057665A CN 102121390 B CN102121390 B CN 102121390B
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- cross beam
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- rigidity
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- 230000005641 tunneling Effects 0.000 title abstract description 5
- 238000010276 construction Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 abstract description 2
- 101100521345 Mus musculus Prop1 gene Proteins 0.000 description 20
- 108700017836 Prophet of Pit-1 Proteins 0.000 description 20
- 238000011161 development Methods 0.000 description 9
- 238000009412 basement excavation Methods 0.000 description 4
- 230000001429 stepping effect Effects 0.000 description 4
- 241001125879 Gobio Species 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses a telescopic tunneling immediate support device, which effectively solves the problem of unavailable continuous roof contact or poor roof contact capability existing in the prior art during use. The support device comprises hydraulic upright posts, beams and longitudinal beams, and is characterized in that: the bottom of each hydraulic upright post is provided with a base; the beams comprise a front beam, a middle beam, a rear beam, a main support beam and an auxiliary support beam which are arranged in parallel with one another; the longitudinal beams comprise a front elastic longitudinal beam, a middle elastic longitudinal beam, a rear elastic longitudinal beam, a front rigid longitudinal beam, a middle rigid longitudinal beam, a rear rigid longitudinal beam and a side rigid longitudinal beam which are arranged in parallel with one another and are vertical to the beams; a push hydraulic cylinder is hinged between every two beams respectively; and the elastic longitudinal beams and the rigid longitudinal beams are fixed on corresponding beams respectively, inserted in limiting guide sleeves of corresponding beams and driven to move along the limiting guide sleeve in a reciprocating way by the beams. The support device has the advantages of reasonable structural distribution, convenience for adjusting continuous roof contact, stable supporting and capabilities of improving the operating environment of workers, better meeting the requirement on matching job of an underground laneway support and a roadheader and remarkably improving the support quality and tunneling operation efficiency of a laneway top plate.
Description
Technical field
The present invention relates to a kind of improved tunnelling operation temporary support device, particularly a kind of compound telescopic back timber mechanism and flexible driving immediate support device that meets top mechanism of adopting.Belong to mining machinery manufacturing and application.
Background technology
At present, along with the comprehensive mechanized development machine generally use of (being called for short " fully-mechanized digging machine "), " drilling and blasting " operating type that the efficient of tunnelling is more traditional has had large increase.Exploitation year by year along with the colliery; The coal seam degree of depth is more and more darker; The rock overall load of back has the trend that increases gradually like this; Certainly will not allow the empty top of large tracts of land (even have also have certain danger under the facility of temporary lining) because the increase of rock load and top board are grown, crush and the phenomenon of absciss layer if can not get by supporting meeting timely and effectively in the regular hour for top board.Even therefore present domestic coal mine roadway is having under the situation of temporary lining, also can only allow the sky top about 4-6m.
The driving temporary lining mode that has some to link to each other in recent years with fully-mechanized digging machine; Like publication number is the driving temporary support device of CN201236706; But this type is fixed on the support apparatus on the fully-mechanized digging machine fuselage, and the influence that receives the fully-mechanized digging machine operation is very big and practicality is not strong, and be very big because fully-mechanized digging machine vibrates when headwork; So this type supporting perhaps can't be used when development machine is worked at all, perhaps directly cause the vibratility of back to destroy.
The inventor once designed patent announcement number " lame advanced supporting rack " for CN200985799Y, and it is applicable to carries out advance support to the tunnel of adopting existing permanent support means when coal-face advances.Each frame of this support frame is made up of same back timber, base and the column and the quadric chain that are connected wherein.Form one group by anti-down jack side by side through the engaging lug connection between its two, two adjacent pack supports of front and back are connected with the passing jack by extensible canopy.Management to back during operation will depend on the existing anchor net in tunnel, capplce etc. to a certain extent; Still need in the preliminary treatment with the tunnel of constructing of support front end, its structure and support principle are not suitable in headwork and carry out temporary lining in the face of the back that driving exposes.Design patent announcement number " fully-mechanized digging machine immediate support device " on this basis again for CN101251022B; It adopts the preceding back timber of being made up of slip back timber and guiding back timber to constitute the bogie side frame of rock-steady structure; Be hinged to fore-stock by bogie side frame arranged side by side through arch beam or horizontal gird; Be arranged in the top of fully-mechanized digging machine, spaced apart along beam on crossbeam, adjacent along belt guard beam or telescopic along girder construction is set between the beam.The method of operation that employing takes a step to advance; This support of operation test through on-the-spot still has certain influence to the integrality of top board to a certain extent; Though the mode that has reduced setting load but alternately taken a step inevitably repeats roof supporting, influenced the effect of permanent supports such as anchor pole and anchor cable to a certain extent.
Summary of the invention
The purpose of this invention is to provide a kind of telescopic driving immediate support device; It has solved effectively that prior art exists in use can not connect the top continuously or connect the problem of top ability, and its structure distribution is reasonable, and it is easy to adjust to connect the top continuously; Supporting & stablizing; Improve workman's operating environment, satisfied underworkings supporting and fully-mechanized digging machine better and carried out the requirement of supporting operation, significantly improved the supporting quality and the excavation operation efficient of back.
The technical scheme that the present invention adopted is: the crossbeam that this telescopic driving immediate support device comprises hydraulic vertical prop, supported by the hydraulic vertical prop column cap, be assembled in the suitable beam on the crossbeam; Its technical essential is: the base independently separately be connected with hydraulic system is set at the bottom of the post of said hydraulic vertical prop; Said crossbeam comprises front beam, middle cross beam, rear cross beam, main supporting traverse and the auxilliary supporting traverse that is parallel to each other and arranges; Said along beam comprise be parallel to each other arrange and with perpendicular preceding elasticity Shun Liang, middle elasticity Shun Liang, back elasticity Shun Liang, preceding rigidity Shun Liang, middle rigidity Shun Liang, back rigidity Shun Liang and the limit rigidity of said crossbeam along beam; Between two beams of said front beam and middle cross beam, middle cross beam and rear cross beam, rear cross beam and main supporting traverse; Be hinged with respectively and drive the passing hydraulic cylinder that two beams move relative to opening and closing; Elasticity Shun Liang and preceding rigidity are separately fixed on the said front beam along an end of beam before said; The other end is inserted into respectively in the spacing guide pin bushing of said middle cross beam top, and the spacing guide pin bushing above the said middle cross beam in the drive lower edge of said front beam moves back and forth; Elasticity Shun Liang and middle rigidity are separately fixed on the said middle cross beam along an end of beam in said, and the other end is inserted into respectively in the spacing guide pin bushing of said rear cross beam top, and the spacing guide pin bushing above the said rear cross beam in the drive lower edge of said middle cross beam moves back and forth; Said back elasticity Shun Liang, back rigidity are separately fixed on the said rear cross beam along an end of beam; The other end is inserted into respectively in the fixedly guide pin bushing of said main supporting traverse and auxilliary supporting traverse top, and the fixedly guide pin bushing above said main supporting traverse in the drive lower edge of said rear cross beam and auxilliary supporting traverse moves back and forth; One end of the suitable beam of said limit rigidity is fixed on the end of said rear cross beam, and the other end is inserted in the spacing guide pin bushing of said main supporting traverse and auxilliary supporting traverse top.
The two ends of said front beam, middle cross beam, rear cross beam, main supporting traverse and auxilliary supporting traverse are hinged on the column cap of said hydraulic vertical prop through reset rubber and bearing pin respectively.
Elasticity Shun Liang, middle elasticity Shun Liang, back elasticity all are the modular constructions that are formed by fixedly connecting rigid box system leading portion that becomes and the back segment of being processed the layered laminate leaf spring along beam before said.
The said auxilliary supporting traverse outside is hinged with balance arm.
Advantage and good effect that the present invention has are: because the present invention adopts the crossbeam of being made up of front beam, middle cross beam, rear cross beam, main supporting traverse and the auxilliary supporting traverse of the layout that is parallel to each other of hydraulic vertical prop that the independent seats separately that is connected with hydraulic system is set at the bottom of the post and column cap support thereof and is hinged on the multi-stage telescopic back timber mechanism that passing hydraulic cylinder that driving two beams between the crossbeam move relative to opening and closing constitutes; And the perpendicular rigidity of combination and crossbeam connects along the common elasticity that constitutes of beam with elasticity along beam and pushes up mechanism; Move so be easy to realize the quick push-and-pull between crossbeam and the crossbeam, and form stable support.Each elasticity that is adopted connects the top form along the mixing of beam and the suitable beam of rigidity, makes the present invention in supporting and reach process, remain the good top state that connects.The telescopic step-by-step system that is adopted, the crossbeam at the device rear portion keep supporting under the motionless situation, and anterior several crossbeams and suitable beam can be followed the development machine driving and reach continuously; Tunnel about 4 meters continuously at the shielding development machine, when device reached the maximal dilation state, development machine withdrawed from outside the equipment; In workman's access to plant, according to the top board situation, can each crossbeam and along below the beam, also can be along with the stepping reach of device; The permanent support operation is carried out in gap below balance arm; Safe, strengthened the reasonable operation proportioning in people and machine and tunnel, improved labor productivity.The service condition that meets the driving place immediate support has satisfied underworkings supporting and fully-mechanized digging machine better and has carried out the requirement of supporting operation, significantly improves the supporting quality and the excavation operation efficient of back.This device can significantly improve the development machine Homes Using TV, simultaneously the effective support of back has been improved two stresses helped and workman's operating environment, has improved the job safety degree of driving face, and the stage that has obtained the fast rapid-result lane of coal road breaks through.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the lateral view of Fig. 1;
Fig. 4 is the suitable girder construction sketch map of a kind of elasticity among Fig. 1.
Sequence number explanation among the figure: 1 hydraulic vertical prop, 2 pass hydraulic cylinders, 3 balance arm hydraulic cylinders, 4 front beams, 5 middle cross beams, 6 rear cross beams, 7 main supporting traverses, 8 auxilliary supporting traverses, 9 fixedly before guide pin bushing, 10 balance arms, 11 elasticity along elasticity in the beam, 12 along beam, 13 back elasticity along beam, 14 before rigidity along rigidity in the beam, 15 along beam, 16 back rigidity along beam, the suitable beam of 17 limit rigidity, 18 valve group brackets, 19 hydraulic systems, 20 blocks, 21 reset rubber, 22 bases, 23 rigidity casings, 24, leaf spring.
The specific embodiment
Specify concrete structure of the present invention according to Fig. 1～4.The crossbeam that this telescopic driving immediate support device comprises hydraulic vertical prop 1, supported by the column cap of hydraulic vertical prop 1, be assembled in the component such as suitable beam on the crossbeam.The base 22 independently separately be connected with hydraulic system 19 wherein is set, in case solution stopping pressure column 1 falls into into base plate at the bottom of the post of hydraulic vertical prop 1.Hydraulic system 19 is fixed through valve group bracket 18 parts such as grade.Above-mentioned crossbeam comprises front beam 4, middle cross beam 5, rear cross beam 6, main supporting traverse 7 and the auxilliary supporting traverse 8 that is parallel to each other and arranges; Along beam comprise be parallel to each other arrange and with the perpendicular preceding elasticity of each crossbeam along beam 11, middle elasticity along beam 12, back elasticity along beam 13, preceding rigidity along beam 14, middle rigidity along beam 15, back rigidity along beam 16 and limit rigidity along parts such as beams 17.Before elasticity all are the modular constructions that are formed by fixedly connecting rigidity casing 23 leading portion of processing and the back segment of processing layered laminate leaf spring 24 along beam 11, middle elasticity along beam 13 along beam 12, back elasticity.Between front beam 4 and middle cross beam 5, middle cross beam 5 and rear cross beam 6, rear cross beam 6 and the main supporting traverse 7, be hinged with respectively and drive the passing hydraulic cylinder 2 that two beams move relative to opening and closing.Front beam 4 drives the stepping of realization one-level with middle cross beam 5 through passing hydraulic cylinder 2; It is hinged with bearing pin to pass hydraulic cylinder 2 front ends and front beam 4 downsides, passes hydraulic cylinder 2 middle part gudgeons and is fixed between the otic placode of middle cross beam 5 belows with block 20.Middle cross beam 5 drives the stepping of realization secondary with rear cross beam 6 through passing hydraulic cylinder 2; It is hinged with bearing pin to pass hydraulic cylinder 2 front ends and middle cross beam 5 downsides, passes hydraulic cylinder 2 middle part gudgeons and is fixed on rear cross beam 6 belows with block 20.Rear cross beam 6 drives three grades of steppings of realization with main supporting traverse 7 through passing hydraulic cylinder 2.It is hinged with bearing pin to pass hydraulic cylinder 2 front ends and rear cross beam 6 downsides, passes hydraulic cylinder 2 middle part gudgeons and is fixed on main supporting traverse 7 belows with block 20.Main supporting traverse 7 and auxilliary supporting traverse 8 prop up support integral through fixing guide pin bushing 9 hinged formation.
Preceding elasticity is separately fixed on the front beam 4 through U bolt along beam 11 and the end of preceding rigidity along beam 14, and the other end is inserted into respectively in the spacing guide pin bushing of middle cross beam 5 tops, and the spacing guide pin bushing above the drive lower edge of front beam 4 middle cross beam 5 moves back and forth; Middle elasticity is separately fixed on the middle cross beam 5 along beam 12 and the end of middle rigidity along beam 15, and the other end is inserted into respectively in the spacing guide pin bushing of rear cross beam 6 tops, and the spacing guide pin bushing above the drive lower edge of middle cross beam 5 rear cross beam 6 moves back and forth.Back elasticity is separately fixed on the rear cross beam 6 along an end of beam 16 along beam 13, back rigidity; The other end is inserted into respectively in the fixedly guide pin bushing 9 of main supporting traverse 7 and auxilliary supporting traverse 8 tops, and the fixedly guide pin bushing 9 above the drive lower edge of rear cross beam 6 master's supporting traverse 7 and auxilliary supporting traverse 8 moves back and forth; One end of the suitable beam 17 of limit rigidity is fixed on the end of rear cross beam 6, and the other end is inserted in the spacing guide pin bushing of main supporting traverse 7 and auxilliary supporting traverse 8 tops.Balance when keeping hydraulic vertical prop 1 to go up and down be convenient to move, the two ends of front beam 4, middle cross beam 5, rear cross beam 6, main supporting traverse 7 and auxilliary supporting traverse 8 are hinged on the column cap of hydraulic vertical prop 1 with bearing pin through the rubber 21 that resets respectively.The outside at auxilliary supporting traverse 8 is hinged with balance arm 10, and the below of balance arm 10 links to each other with balance arm hydraulic cylinder 3 one ends, and the other end of balance arm hydraulic cylinder 3 and main supporting traverse 7 are hinged.Through the action of balance arm hydraulic cylinder 3, can realize balance arm 10 swinging up and down around pin joint.In use, when balance arm 10 bottoms, can anchor net shop be hung on the balance arm 10, stretch out balance arm hydraulic cylinder 3 then, handle balance arm 10 the anchor net is held up, the workman can fix anchor net and back through permanent support equipment such as anchor pole, anchor cables.
During operation; The boring head of this device at underground tunneling roadway installed; Adjustment hydraulic vertical prop 1; Make main supporting traverse 7 and auxilliary supporting traverse 8 contact and connect real back through fixing guide pin bushing 9, this moment, all passing hydraulic cylinders 2 all were in retracted state, drew close together between front beam 4, middle cross beam 5, rear cross beam 6 and main supporting traverse 7 and the auxilliary supporting traverse 8.Fully-mechanized digging machine is the beginning excavation operation in this device; When tunneling one meter left and right sides; Pack up the hydraulic vertical prop 1 of front beam 4, middle cross beam 5 and rear cross beam 6 belows; And handle and to be hinged on the passing hydraulic cylinder 2 between rear cross beam 6 and the main supporting traverse 7, thereby drive front beam 4, middle cross beam 5, rear cross beam 6 and the preceding elasticity on it along beam 11, middle elasticity along beam 12, back elasticity along beam 13, preceding rigidity along beam 14, middle rigidity along beam 15, back rigidity along beam 16 and limit rigidity along beam 17, whole moving advanced after one meter; Rise the hydraulic vertical prop 1 of front beam 4, middle cross beam 5 and rear cross beam 6 belows, the top board above the development machine heading end is carried out temporary lining.When fully-mechanized digging machine continues one meter left and right sides of driving; Pack up the hydraulic vertical prop 1 of front beam 4 and middle cross beam 5 belows; And handle and to be hinged on the passing hydraulic cylinder 2 between middle cross beam 5 and the rear cross beam 6, drive front beam 4, middle cross beam 5 and on preceding elasticity along beam 11, middle elasticity along beam 12, preceding rigidity along beam 14 and middle rigidity along beam 15, whole moving advanced after one meter; Rise the hydraulic vertical prop 1 of front beam 4 and middle cross beam 5 belows, the top board above the development machine heading end is carried out temporary lining.
In like manner; When fully-mechanized digging machine continues to tunnel one meter left and right sides again; Pack up the hydraulic vertical prop 1 of front beam 4 belows, and handle and to be hinged on the passing hydraulic cylinder 2 between front beam 4 and the middle cross beam 5, drive front beam 4 and before elasticity advance after one meter along whole the moving of beam 14 along beam 11 and preceding rigidity; Rise the hydraulic vertical prop 1 of front beam 4 belows, the top board above the development machine heading end is carried out temporary lining.After fully-mechanized digging machine tunnels one meter again, shut down and extractor, valve group bracket, roof-bolter and servicing unit thereof are moved on to the position, entering is tried to stop people from fighting each other and the anchor pole state is beaten in lapping.Handle and regain balance arm hydraulic cylinder 3, anchor net shop is hung on the balance arm 10,, with balance arm 10 the anchor net is held up, and from the space of balance arm 10, beat anchor pole and do permanent support then through balance arm hydraulic cylinder 3.Accomplish fluently after row's anchor pole; Regain balance arm hydraulic cylinder 3 and the hydraulic vertical prop 1 of packing up main supporting traverse 7 and auxilliary supporting traverse 8 belows; And draw by the passing hydraulic cylinder 2 between hinged rear cross beam 6 and the main supporting traverse 7; Rise the hydraulic vertical prop 1 of main supporting traverse 7 and auxilliary supporting traverse 8 belows again, roof supporting.Again anchor net shop is hung on the balance arm 10, stretch out balance arm hydraulic cylinder 3 then, and from the space of balance arm 10, beat anchor pole and do permanent support.Accomplish fluently again after row's anchor pole; The same balance arm hydraulic cylinder 3 of regaining; Pack up the hydraulic vertical prop 1 of rear cross beam 6, main supporting traverse 7 and auxilliary supporting traverse 8 belows; And draw by connecting the passing hydraulic cylinder 2 between middle cross beam 5 and the rear cross beam 6, rise the hydraulic vertical prop 1 of rear cross beam 6, main supporting traverse 7 and auxilliary supporting traverse 8 belows again, roof supporting.Anchor net shop is hung on the balance arm 10, stretch out balance arm hydraulic cylinder 3 then, and from the space of balance arm 10, beat anchor pole and do permanent support.Pack up the hydraulic vertical prop 1 of middle cross beam 5 and rear cross beam 6 belows; And draw by connecting the passing hydraulic cylinder 2 between front beam 4 and the middle cross beam 5; Make the passing hydraulic cylinder 2 between middle cross beam 6 and the main supporting traverse 7 be in the state of stretching out simultaneously; But front beam 4, middle cross beam 5 and rear cross beam 6 are in the state of leaning on of receiving at this moment, rise the hydraulic vertical prop 1 of middle cross beam 5 and rear cross beam 6 belows, roof supporting.Pack up the hydraulic vertical prop 1 of main supporting traverse 7 and auxilliary supporting traverse 8 belows, and draw, rise the hydraulic vertical prop 1 of main supporting traverse 7 and auxilliary supporting traverse 8 belows again, roof supporting by connecting the passing hydraulic cylinder 2 between rear cross beam 6 and the main supporting traverse 7.So far, package unit comes back to initial contraction state, utilizes balance arm 10 lappings to beat after the anchor pole again, and device is accomplished an excavation operation circulation.
Repeat above-mentioned steps, the backup of this device to boring head, is come back to the driving initial state, fully-mechanized digging machine gets into driving and the supporting of meeting head on to begin next circulation.
Claims (4)
1. telescopic driving immediate support device; The crossbeam that comprises hydraulic vertical prop, supports by the hydraulic vertical prop column cap, be assembled in the suitable beam on the crossbeam; It is characterized in that: the base independently separately be connected with hydraulic system is set at the bottom of the post of said hydraulic vertical prop; Said crossbeam comprises front beam, middle cross beam, rear cross beam, main supporting traverse and the auxilliary supporting traverse that is parallel to each other and arranges; Said along beam comprise be parallel to each other arrange and with perpendicular preceding elasticity Shun Liang, middle elasticity Shun Liang, back elasticity Shun Liang, preceding rigidity Shun Liang, middle rigidity Shun Liang, back rigidity Shun Liang and the limit rigidity of said crossbeam along beam; Between two beams of said front beam and middle cross beam, middle cross beam and rear cross beam, rear cross beam and main supporting traverse; Be hinged with respectively and drive the passing hydraulic cylinder that two beams move relative to opening and closing; Elasticity Shun Liang and preceding rigidity are separately fixed on the said front beam along an end of beam before said, and the other end is inserted into respectively in the spacing guide pin bushing of said middle cross beam top, and the spacing guide pin bushing above the said middle cross beam in the drive lower edge of said front beam moves back and forth; Elasticity Shun Liang and middle rigidity are separately fixed on the said middle cross beam along an end of beam in said, and the other end is inserted into respectively in the spacing guide pin bushing of said rear cross beam top, and the spacing guide pin bushing above the said rear cross beam in the drive lower edge of said middle cross beam moves back and forth; Said back elasticity Shun Liang, back rigidity are separately fixed on the said rear cross beam along an end of beam; The other end is inserted into respectively in the fixedly guide pin bushing of said main supporting traverse and auxilliary supporting traverse top, and the fixedly guide pin bushing above said main supporting traverse in the drive lower edge of said rear cross beam and auxilliary supporting traverse moves back and forth; One end of the suitable beam of said limit rigidity is fixed on the end of said rear cross beam, and the other end is inserted in the spacing guide pin bushing of said main supporting traverse and auxilliary supporting traverse top.
2. telescopic driving immediate support device according to claim 1, it is characterized in that: the two ends of said front beam, middle cross beam, rear cross beam, main supporting traverse and auxilliary supporting traverse are hinged on the column cap of said hydraulic vertical prop through reset rubber and bearing pin respectively.
3. telescopic driving immediate support device according to claim 1 is characterized in that: elasticity Shun Liang, middle elasticity Shun Liang, back elasticity all are the modular constructions that are formed by fixedly connecting rigid box system leading portion that becomes and the back segment of being processed the layered laminate leaf spring along beam before said.
4. telescopic driving immediate support device according to claim 1 is characterized in that: the said auxilliary supporting traverse outside is hinged with balance arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110057665 CN102121390B (en) | 2011-03-11 | 2011-03-11 | Telescopic tunneling immediate support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110057665 CN102121390B (en) | 2011-03-11 | 2011-03-11 | Telescopic tunneling immediate support device |
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| CN102121390A CN102121390A (en) | 2011-07-13 |
| CN102121390B true CN102121390B (en) | 2012-12-05 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104153803B (en) * | 2014-07-14 | 2017-01-18 | 霍忠明 | Coal mine tunneling support device |
| CN106089277A (en) * | 2016-07-29 | 2016-11-09 | 陈怀奇 | A kind of from walking development machine protective stent |
| CN109838253B (en) * | 2019-03-22 | 2023-08-18 | 河南理工大学 | Large-circulation combined beam type temporary support roof control device and construction method thereof |
| CN110219689A (en) * | 2019-06-13 | 2019-09-10 | 霍州煤电集团河津腾晖煤业有限责任公司 | A kind of underground driving face provisional protection bracket and its construction method |
| CN110130964A (en) * | 2019-06-13 | 2019-08-16 | 霍州煤电集团河津腾晖煤业有限责任公司 | A kind of temporary supporting device of driving working face and construction method |
| CN111075484B (en) * | 2020-01-10 | 2021-11-16 | 陕西银河煤业开发有限公司 | Collapse-preventing portable foundation secondary support protection equipment |
| CN111255496B (en) * | 2020-01-22 | 2021-06-04 | 辽宁工程技术大学 | Coal pillar auxiliary type mining advanced temporary support device and using method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL131871B1 (en) * | 1980-06-19 | 1985-01-31 | Ct Kt Maszyn Gorniczych Komag | Shiftable filling dam |
| DE3400771A1 (en) * | 1984-01-12 | 1985-07-18 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | EXTENSION FRAME, IN PARTICULAR SHIELD EXTENSION FRAME, WITH A LIFTING DEVICE FOR LIFTING THE RECESSED RUNNERS |
| CN2890341Y (en) * | 2006-04-03 | 2007-04-18 | 山东天晟煤矿装备有限公司 | Excavation hydraulic support |
| CN201344041Y (en) * | 2008-12-30 | 2009-11-11 | 三一重型装备有限公司 | Stepping self-moving type bracket |
| CN101749042B (en) * | 2009-12-18 | 2011-09-21 | 辽宁天安矿山科技有限公司 | Top adjusting mechanism of tunneling immediate support device |
| CN201982128U (en) * | 2011-03-11 | 2011-09-21 | 辽宁天安矿山科技有限公司 | Immediate support device for retractable tunneling |
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Address after: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Patentee after: Liaoning Tian'an Mining Technology Co., Ltd. Address before: Senior officials of Taiwan Street in Dongling District of Shenyang city of Liaoning Province, No. 11 110161 Patentee before: Liaoning Tian'an Mining Technology Co., Ltd. |
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Owner name: LIAONING TIAN'AN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: LIAONING TIAN'AN MINING TECHNOLOGY CO., LTD. |
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Address after: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Patentee after: Liaoning Tian'an Technology Co., Ltd. Address before: 113122 Liaoning Province, Fushun City Binhe Road Economic Development Zone No. 15 Patentee before: Liaoning Tian'an Mining Technology Co., Ltd. |
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Effective date of registration: 20201112 Address after: No.15 Binhe Road, Shenfu New District, Shenyang, Liaoning Province 110000 Patentee after: Shenyang Tian'an special robot Co.,Ltd. Address before: 113122 Binhe Road, Fushun Economic Development Zone, Liaoning 15, China Patentee before: LIAONING TIANAN TECHNOLOGY Co.,Ltd. |